Dr. Keith M. Reynolds was a research forester with the Pacific Northwest Research Station (US Forest Service) since 1987, and worked at the Corvallis Forestry Sciences Lab in Corvallis, Oregon, USA until his retirement on 30 December 2023. Although Dr. Reynolds' advanced degrees are in quantitative plant epidemiology, his primary areas of expertise are in statistics, biomathematics, and knowledge-based systems theory and application. He has been the team leader of the Ecosystem Management Decision Support (EMDS) project at the PNW Station since 1993, designing and implementing spatially enabled decision support technologies for environmental analysis and planning. Since 1997, Dr. Reynolds has worked on a wide variety of specific decision support applications.